* {
    padding: 0;
    margin: 0;
}
.left {
    float: left;
}
.display {
    display: none;
}
.right {
    float: right;
}
.opac {
    opacity: 0;
}
.clearfix:after {
    display: block;
    content: '';
    clear: both;
}
a {
    text-decoration: none;
}
li {
    list-style: none;
}
h1,h2,h3,h4,h5,h6 {
    font-weight: normal;
}
input {
    outline: none;
}
